Ahh ESP is different than ASR. On my friends E300D you just hit ASR off, than hit the brakes and floor it, the rear lights up.

Thats what dyno mode is for, turn everything including the ABS off, all traction aids. You need to go into the cars menu and hit a few buttons in a certain order.

__________________
1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200